Edelbrock RHS LS Aluminum Race Block 9.750in Tall Deck 4.120in Bore 0.904in Lifter

SKU: EDE54901U-904

Engine Block

EDE Engine Block...

Edelbrock

Edelbrock RHS LS Aluminum Race Block 9.750in Tall Deck 4.120in Bore 0.904in Lifter

SKU: EDE54901U-904

Engine Block

EDE Engine Block...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Valvetrain Capabilities: Provisions for Gen III & Gen IV cam & knock sensors & valley covers, Cam tunnel will accommodate stock through oversized 60mm roller bearing cams (includes cast-in lock screw pads), .842” or .904” lifters standard with material available for oversized lifter access (accepts 1.060” bushing for keyed lifters), In the standard deck, maximum pushrod angularity = Less than 2 degrees, Includes Ampco 45 cam thrust plate and aluminum rear cover, Lifter bosses designed to clear tie bar lifter

Part Type

Engine Block

Data: v4.2 - Upd: 2026-10-21 19:04:31

Features

.904” lifters standard
2 extra links in the timing chain – Timing sets available from COMP®
6 head bolt design w/ full water jacket around the cylinders (based on LS7 design)
Chilled main bearing bulkheads for added strength
Gen III/Gen IV compliant with race mounts for Gen I, Gen II, Gen III & Gen IV engines
Optimized billet main caps & improved windage
P1 MFG main stud kit standard with enough material in castings to accommodate up to a 0.5" fastener
Raised cam centerline (.388”/9.86mm) to allow larger stroke
Rolled threads on all threaded holes for added strength

Specifications

Reference Information

Brand Name/s	Edelbrock
StreetFX SKU	ede54901U-904
SFX Item ID	6840088
Supplier Item Code	6840088
Manufacturer SKU	54901U-904
Manufacturer UPC	36584051510
Alternative References	9.750in, 4.120in, 0.904in